On Dez 29 2022, Alain D D Williams wrote: > On Thu, Dec 29, 2022 at 10:30:09PM +0100, Steffen Nurpmeso wrote: > >> only clang warns on sequencing when tested. > > Ah: so only clang gives the warning that the others should probably give.
$ gcc -Wall t.c t.c: In function ‘main’: t.c:7:11: warning: operation on ‘i’ may be undefined [-Wsequence-point] i += j += i += j; ^~ t.c:11:11: warning: operation on ‘i’ may be undefined [-Wsequence-point] i += j += i += i; ^~ -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."